I'm redoing this thread because I forgot to add other categories besides anime. x_x Thank you to those who helped with the first thread. I've included your suggestions here as well. ^_^ So here goes, again!

The ever vexing question of whom to cosplay haunts us all. As there are a lot of questions about cosplays for couples I decided to start a thread where we can list as many possible options as possible.

This is a group effort. Feel free to suggest more characters to the list. Please include or link a picture of the characters individually. It will save a lot of time so I don't have to hunt all over internet to find a picture for each character. Keep it appropriate though.
Please don't post girlxgirl or boyxboy pairings. This thread is for boyxgirl pairings ONLY! There will be a thread for those pairings later. Right now it's a lot of work to only focus on boyxgirl pairings. The pairs do not have to be romantically involved. They can also be friends and/or team mates.

Disclaimer
These are NOT ships. They are just cosplay suggestions. If you don't agree with a pairing because it goes against a ship, please don't rant about it here. I'm just trying to provide a resource for others to glean from.

School is getting really busy so the list will be added to slowly. Thank you for your patience. Please continue to add more suggestions.
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Full Metal Panic
Sousuke and Kaname
Sousuke and Tessa
Leonard and Kaname
Leonard and Tessa

Gankutsuou
The Count and Mercedes
The Count and Haydee
Fernand and Mercedes
Danglars and Victoria
Villefort and Heloise
Villefort and Victoria
Andrea and Victoria
Andrea and Eugenie
Albert and Eugenie
Maximillion and Valentine

Hellsing
Alucard and Integra
Anderson and Yumie
Anderson and Heinkel
Pip and Seras

Hetalia
Hungary and Austria
Prussia and Hungary
Russia and Belarus
England and Seychelles
France and Seychelles
Switzerland and Liechtenstein
Netherlands and Belgium
Japan and Taiwan
Canada and Ukraine

Higurashi No Naku Koro Ni
Keiichi and Rena
Keiichi and Mion
Keiichi and Shion
Shion and Satoshi
Satoshi and Satoko

Howl's Moving Castle
Sophie and Howl
Sophie and Markl

Inuyasha
Kagome and Inuyasha
Kagome and Koga
Kagome and Hojo
Kagome and Akitoki
Kikiyo and Inuyasha
Sango and Miroku
Ayame and Koga
Kagura and Seshomarru
Lady Sara and Seshomarru
Rin and Kohaku
Rin and Seshomarru
Tsukiyomi and
Inuyasha's mother and father
Koharu and Miroku
Shiori's mother and father
Kykio and Inuyasha

Sailor Galaxia and Chaos (Eien Densetsu)
Bloody Dracul and Vampiru
Bloody Dracul and Le Fey
Dr. Tomoe and Death Lamia
Dark Plasman and any of the brides from either Kaguya Shima and Shin Kaguya Shima
Dark Plasman and Loof Merrow

Sengoku Basara

Images can be found here

Nobunaga and Nouhime
Toshiie and Matsu
Sasuke and Kasuga
Kenshin and Kasuga
Ranmaru and Itsuki
Xabii and Itsuki
Nagamasa and Oichi
Just about anybody and Oichi
Any male character and Magoichi
Any male character and Tsuruhime

Final Fantasy 3
Refia and Arc
Refia and Ignus
Refia and Luneth
Aria and and Arc
Aria and Ignus
Aria and Luneth

Final Fantasy 4
Rosa and Cecil
Rosa and Kain
Rosa and Edward
Rosa and Yang
Rosa and Tellah
Rosa and Cid
Rosa and Edge
Porom and Palom
Rydia and Cecil
Rydia and Cid
Rydia and Edge
Rydia and Kain
Rydia and Edward
Rydia and Yang
Rydia and Tellah
Anna and Tellah
Anna and Edward

Final Fantasy 4: The After Years
Rosa and Cecil
Leonora and Palom

Final Fantasy 5
Kyrile andBartz
Lenna and Bartz
Faris and Bartz

Final Fantasy 6
Terra and Locke
Celes and Locke
Relm and Locke

Final Fantasy 7
Aerith and Zack
Aerith and Cloud
Aerith and Sephiroth
Aerith and Cid
Tifa and Cloud
Tifa and Sephiroth
Tifa and Cid
Yuffie and Vincent
Yuffie and Cid
Yuffie and Barrett
Marlene and Barrett
Marlene and Denzel
Shelke and Vincent

Final Fantasy 7: Crisis Core
Aerith and Zack
Cissnei and Reno

Final Fantasy 8
Rinoa and Squall
Selphie and Squall
Quintis and Squall
Raine and Laguna
Julia and Laguna
Edea and Laguna

Final Fantasy 9
Garnet/Dagger and Zidane
Eiko and Zidane
Beatrix and Steiner
Ruby and Zidane
Garnet/Dagger and Vivi
Mikoto and Zidane

Final Fantasy 10
Yuna and Titus
Yuna and Auron
Yuna and Kilmari
Yuna and Seymour
Luka and Wakka
Titus' mom and Jecht

Final Fantasy 10-2
Yuna and Titus
Luka and Wakka
Lenne and Shuyin

Final Fantasy 11
Original characters

Final Fantasy 12
Van and Penelo
Ashe and Van
Ashe and
Fran and Bashe

Final Fantasy 13
Serah and Snow
Serah and Dajh
Serah and Hope
Lightning and Snow
Lightning and Hope
Fang and Snow
Vanille and Snow
Vanille and Hope
Nora(Hope's mom) and Hope
Lightning and Sazh
Fang and Sazh
Vanille and Sazh
Jihl and Yagg
Lightning and Yagg
Lightning and Cid
Fang and Cid
Vanille and Cid
Fang and Rygdea
Lightning and Rygdea
Vanille and Rygdea
Lebreau and Snow
Lebreau and Gadot
Lebreau and Maqui
Lebreau and Yuji

Final Fantasy 13: Versus
Stella and Nocitis

Final Fantasy Crystal Chronicles
Belle and Layle
Belle and Keiss
Althea and Layle
Althea and Keiss

Final Fantasy: The 4 Heroes of Light
Aire and Brandt
Yunita and Brandt
Aire and Jusqua
Yunita and Jusqua

Final Fantasy: Legend of the Crystals
Linaly and Pritz
Rouge and Valkus

__________________See me at Vancouver's own Anime Revolution in August 2012!
See me there as Lumpy Space Princess.Future Cosplays:Princess Bubblegum-Adventure Time
The Flower Card-Cardcaptor Sakura
Rika Furude(school outfit)-Higurashi No Naku Koro Ni

Hungary and Austria from Hetalia?
And although they're not pairings, any male and female player characters from the Pokémon games. Ethan(Gold) and Kris/Lyra, Red and Leaf, Dawn and Lucas to name a few.